Composite tool



F. c. HARTUNG COMPOS ITE TOOL Filed May 8. 1935 2 Sheets-#Sheet l QW NNvm Wm, uw) mm, um.

F. C. HARTUNG COMPOSITE TOOL Y Filed May 8, 1935 2 Sheets-Sheet 2Patented Aug. 3, 1937 UNITED 'sTTEs PATENT oil-Fica COMPOSITE TOOL FelixC. Hartung, Chicago, Ill.

Application May 8, 1935, Serial No. 20,494

1 Claim.

This invention relates to a composite tool and, more particularly, to ahandle adapted to be used in combination with a plurality of tools. Y

One feature of this invention is that it provides a complete set oftools in convenient and compact form; another feature of this inventionis that it enables a plurality of tools to be interchangeably used withone handle; another feature of this invention is that it enables screws,and the like, to be lstarted in relatively inaccessible places.

Other features and advantages of this invention will be apparent fromthe following specification and the drawings, in which- Figure 1 is atop plan view of the handle; Fig. 2 is a sectional view along the line2-2 of Fig. 1; Fig. 3 is a sectional view showing a tool in place in thehandle; Fig. 4 is a fragmentary elevation of an additional tool; Fig. 5is a sectional view of the handle and an extension member; Fig. 6 is asectional view along the line --B of Fig. 5; Fig. l is a sectional viewalong the line i-l of Fig. 5; Fig. 8 shows still anothertool incombination with the handle; Fig. 9 is a sectional view showing twoextension members; Fig. 10 is a side elevation showing the chuck memberin combination with the handle; Fig. 1l is a sectional view of the chuckmember; Fig. 12 is a view of the handle in combination with an awl; Fig.13 is a view of the tool as a hammer; and Fig. 14 is a view of the toolas a saw.

In the particular embodiment of this invention illustrated herewith, thereference numeral 2li indicates a handle. This handle is provided with asocket opening 2| therein. This opening extends longitudinally into thehandle, and is substantially coaxial with the longitudinal axis of thehandle. A socket member 22 is inserted in this opening. This socketmember is polygonal in cross-sectional shape, and is closed at thebottom by the metal butt plate 23. The socket member has in one sidethereof an opening 24 in which lies va ball 25, which ball may be ofsteel or other hard and long-wearing metal. The ball projects slightlywithin the socket member, and is yieldingly maintained in this positionby a. spring 26. The spring is maintained in proper position by a screwclosure member 2l in the handle. The socket member 22 is adapted toreceive the socket-engaging portion of various tools, as for example,the screw-driver 28. The socket-engaging portion of the tool has apolygonal cross-sectional shape similar to that of the socket member,and is of such a size as to be a sliding fit in said socket member.

(Cl. 14S- 50) Various tools may be conveniently used in combination withthe handle 20. For example, Fig. 3 illustrates ascrew-driver blade 28 incombination withthe handle; Fig. 8 illustrates a tool having a bladeportion 29 particularly adapted for use in removing cylinders from acylinder lock; Fig. l2 shows the composite tool as an awl or ice-pick,use being made of the awl member 30; Fig. 13 shows the composite tool'asa hammer, the awl member 30 being reversed in the handle 20 and a hammerhead 3| being screwed onto the threaded portion 32 of the awl member;and Fig. 14 shows the tool as a. saw, with the saw frame 44 in operativecombination with the handle 20, the frame 44 having mounted therein asaw blade 45. It is to be understood that any type of tool member may beused in combination with the handle to form the desired complete tool.It is only necessary that the particular tool member desired have asocket-engaging portion of such size and shape as to form a sliding t inthe socket member 22, and to extend sufliciently far therein that thespring-pressed ball 25 is able to yieldingly engage said socket-engagingportion and to hold the tool member in operative combination with thehandle.

The tool is also provided with an extension member 33. This extensionmember is of similar polygonal shape but is adapted to slidably engagethe exterior of the socket member 22 throughout that portion whichprojects from the handle. The front end of the handle is provided withan end plate or cap 34, against which the extension member abuts. Theextension member is provided with openings 35 and 36 therethrough, inwhich openings are balls 31 and 38. These balls are yieldingly held insaid holes by the spring clip 39, which clip is centrally attached tothe extension member by any convenient means, as the rivet 40. Thisextension member is adapted to receive tool members having asocket-engaging portion larger than, may be used in the socket member22. For example, the chuck member 4l has a socket-engaging portion 42adapted to be received by the extension member 33. The spring-pressedballs 31 and 38 serve to yieldingly engage the socket-engaging portionof the tool member and the socket member, respectively, and to hold theentire tool in operative combination. The extension member 33 is alsoadapted to receive additional extension membersy furnishing a socket ofthe same size as the socket member 22, as for example, the additionalextension 43. This additional extension may be .used when an extendedtool is required. Figure 9, for example. shows a longer screw-driverhaving an enlarged blade member 52. This member 52 is adapted to bereceived by the additional extension 43 projectingibeyond thescrew-driver 2l, and it has a notch l in the end thereof received bysaid extension, which notch abuts against the end of the screw-driver28. When this tool is in use compression strains are taken by thescrewdriver 2B and torque strains by both the screwdriver and theadditional extension 43.

The chuck mem'ber 4I comprises a polygonal sleeve portion 46, whichsleeve portion has an expanded end 41. The sleeve has slidably mountedtherein a chuck member 48, which chuck member has jaws or clip members49 of springy metal on one end thereof, and a socketengaging portion 42on the other end thereof. The socket-engaging member 42 is threaded andadapted to receive a nut 50, which nut forms a tightening means adaptedto draw the clip members down into the expanded end 41 of the tubularmember 46, and thus to cause them to grip an object, as for example, thescrew 5I. The

chuck member 48 has a polygonal opening com` pletely therethrough, whichopening is suiliciently large to permit the blade end of a screwdriver,as for example, the tool member 28, to be inserted therethrough in orderto form a driving means capable of driving the screw into the desiredhole or opening. The chuck member. screw-driver blade, and handlecooperate to form a tool capable of holding a screw in operativerelation with the end of the screw-driver blade so that it may be drivenor set in a hole inaccessible to the fingers. This is an advantage inenabling a screw to be started at the bottom of a countersunk hole, forexample, since the entire operation of starting and driving the screwmay be performed by the tool. After the screw has been driven in farenough to'have a good grip, the nut or tightening means 50 is loosenedsuillciently to enable the tool to be withdrawn, whereupon the chuckmember may be either removed from the screw-driver blade or slid furtherthereon, in either case enabling the tool to be used as an ordinaryscrew-driver in order to drive the screw completely home.

While I have shown and described certain embodiments of my invention, itis to be understood that it is capable of many modifications. Changes,therefore, in the constructionand arrangement may be made withoutdeparting from the spirit and scope of the invention as disclosed in theappended claim, in which it is my intention to claim all noveltyinherent in my invention as broadly as permissible, in view of the priorart.

What I claim as new, and desire to secure by Letters Patent, is:

Apparatus of the character described, including: a handle having asocket opening therein substantially coaxial with the longitudinal axisof said handle; a polygonal socket member in said opening, said memberbeing adapted to receive a screw driver blade having a polygonalsocketengaging portion, whereby said screw driver is maintained inoperative combination with said handle; an extension member adapted tosurround said blade and project beyond the end thereof and a notchedblade member adapted to be received by said extension member and to havelsaid notch engage said screw driver blade, where-

